Stripping compositions and methods of stripping resists

Radiation imagery chemistry: process – composition – or product th – Stripping process or element – Forming nonplanar image

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Details

430260, 430309, 430329, 430331, 134 38, 252153, 252171, 252364, 252542, 252549, 252DIG4, G03C 500, B08B 700, B01F 100, C09D 900

Patent

active

044017472

ABSTRACT:
Stripping compositions for removing resist materials from substrates comprise compositions of a 2-pyrrolidinone compound and a dialkyl sulfone compound. Either or both of polyethylene glycol and a diethylene glycol monoalkyl ether may be added to provide even more effective stripping compositions.

REFERENCES:
patent: 2891849 (1959-06-01), Whitbourne
patent: 3607271 (1971-09-01), Hilhorst et al.
patent: 3673099 (1972-06-01), Corby et al.
patent: 4055515 (1977-10-01), Kirch
patent: 4276186 (1981-06-01), Bakos et al.
patent: 4304681 (1981-12-01), Martin et al.

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